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<td class="classHeaderTableLabel">Class</td><td class="classSignature">public class b2ManifoldPoint</td>
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<td class="classHeaderTableLabel">Source</td><td><a href="http://box2dflash.svn.sourceforge.net/viewvc/box2dflash/Source/Box2D/Collision/b2ManifoldPoint.as">b2ManifoldPoint.as</a></td>
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<p></p>
 A manifold point is a contact point belonging to a contact
 manifold. It holds details related to the geometry and dynamics
 of the contact points.
 The local point usage depends on the manifold type:
 -e_circles: the local center of circleB
 -e_faceA: the local center of cirlceB or the clip point of polygonB
 -e_faceB: the clip point of polygonA
 This structure is stored across time steps, so we keep it small.
 Note: the impulses are used for internal caching and may not
 provide reliable contact forces, especially for high speed collisions.
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<div class="summaryTableTitle">Public Properties</div>
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<th>&nbsp;</th><th colspan="2">Property</th><th class="summaryTableOwnerCol">Defined&nbsp;by</th>
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<td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol"><a class="signatureLink" href="#m_id">m_id</a> : <a href="../Collision/b2ContactID.html">b2ContactID</a>
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</td><td class="summaryTableOwnerCol">b2ManifoldPoint</td>
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<td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol"><a class="signatureLink" href="#m_localPoint">m_localPoint</a> : <a href="../Common/Math/b2Vec2.html">b2Vec2</a>
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</td><td class="summaryTableOwnerCol">b2ManifoldPoint</td>
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<td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol"><a class="signatureLink" href="#m_normalImpulse">m_normalImpulse</a> : Number<div class="summaryTableDescription"></div>
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<td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol"><a class="signatureLink" href="#m_tangentImpulse">m_tangentImpulse</a> : Number<div class="summaryTableDescription"></div>
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<a class="signatureLink" href="#b2ManifoldPoint()">b2ManifoldPoint</a>()</div>
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<a class="signatureLink" href="#Reset()">Reset</a>():void</div>
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<td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol">
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<a class="signatureLink" href="#Set()">Set</a>(m:<a href="b2ManifoldPoint.html">b2ManifoldPoint</a>):void</div>
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<a name="m_id"></a>
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<td class="detailHeaderName">m_id</td><td class="detailHeaderType">property</td>
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<code>public var m_id:<a href="../Collision/b2ContactID.html">b2ContactID</a></code>
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<a name="m_localPoint"></a>
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<td class="detailHeaderName">m_localPoint</td><td class="detailHeaderType">property</td><td class="detailHeaderRule">&nbsp;</td>
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<code>public var m_localPoint:<a href="../Common/Math/b2Vec2.html">b2Vec2</a></code>
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<td class="detailHeaderName">m_normalImpulse</td><td class="detailHeaderType">property</td><td class="detailHeaderRule">&nbsp;</td>
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<code>public var m_normalImpulse:Number</code>
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<td class="detailHeaderName">m_tangentImpulse</td><td class="detailHeaderType">property</td><td class="detailHeaderRule">&nbsp;</td>
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<code>public var m_tangentImpulse:Number</code>
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<a name="constructorDetail"></a>
<div class="detailSectionHeader">Constructor detail</div>
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<td class="detailHeaderName">b2ManifoldPoint</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">constructor</td>
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<code>public function b2ManifoldPoint()</code>
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<div class="detailSectionHeader">Method detail</div>
<a name="Reset()"></a>
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<td class="detailHeaderName">Reset</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">method</td>
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<code>public function Reset():void</code>
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<td class="detailHeaderName">Set</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">method</td><td class="detailHeaderRule">&nbsp;</td>
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<code>public function Set(m:<a href="b2ManifoldPoint.html">b2ManifoldPoint</a>):void</code><span class="label">Parameters</span>
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<td width="20px"></td><td><code><span class="label">m</span>:<a href="b2ManifoldPoint.html">b2ManifoldPoint</a></code></td>
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